<template>
  <div class="login-container">
    <el-form ref="loginForm" class="login-form" :model="loginForm" :rules="loginRules" label-position="left">
      <!-- 头部标题 -->
      <div class="title-container">
        <h3 class="title">
          <img src="@/assets/login-logo.png" alt="">
        </h3>
      </div>
      <!-- 手机号 -->
      <el-form-item prop="mobile">
        <span class="svg-container el-icon-user-solid" />
        <el-input v-model="loginForm.mobile" placeholder="请输入手机号码" />
      </el-form-item>
      <!-- 密码 -->
      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input ref="pwdIpt" v-model="loginForm.password" placeholder="请输入密码" :type="type" />
        <span class="svg-container" @click="changePwd">
          <svg-icon :icon-class="`${type === 'password' ? 'eye' : 'eye-open'}`" />
        </span>
      </el-form-item>
      <!-- 登录按钮 -->
      <el-button v-loading="loading" class="loginBtn" type="primary" @click="SubmitForm">登录</el-button>

      <!-- 提示文本 -->
      <div class="tips">
        <span style="margin-right:20px;">账号: 13800000002</span>
        <span> 密码: 123456</span>
      </div>

    </el-form>
  </div>
</template>

<script>

import { validPhone } from '@/utils/validate'
export default {
  name: 'Login',
  data() {
    const checkPhone = (rule, value, callback) => {
      if (validPhone(value)) {
        callback()
      } else {
        callback(new Error('手机号格式错误'))
      }
    }
    return {
      loginForm: {
        mobile: '13800000002',
        password: '123456'
      },
      loginRules: {
        mobile: [
          {
            required: true, message: '手机号 必填', trigger: 'blur'
          },
          // {
          //   pattern: /^(?:(?:\+|00)86)?1(?:(?:3[\d])|(?:4[5-79])|(?:5[0-35-9])|(?:6[5-7])|(?:7[0-8])|(?:8[\d])|(?:9[189]))\d{8}$/, message: '手机号码格式不正确', trigger: 'blur'
          // }
          // 自定义校验
          {
            validator: checkPhone, trigger: 'blur'
          }

        ],
        password: [
          {
            required: true, message: '密码 必填', trigger: 'blur'
          },
          {
            min: 6, max: 16, message: '密码格式不正确', trigger: 'blur'
          }
        ]
      },
      type: 'password',
      loading: false
    }
  },
  methods: {
    async changePwd() {
      this.type === 'password' ? this.type = '' : this.type = 'password'

      // Vue dom 异步更新
      // this.$nextTick(() => {
      //   this.$refs.pwdIpt.focus()
      // })
      // 加光标
      await this.$nextTick()
      this.$refs.pwdIpt.focus()
    },
    SubmitForm() {
      this.$refs.loginForm.validate(async(vali) => {
        // vali 是整体表单校验结果
        if (vali) {
          try {
            // 校验成功，调接口
            this.loading = true // 按钮转圈圈
            // 调用vuex的登录接口请求
            await this.$store.dispatch('user/loginAction', this.loginForm)
            // 跳转首页
            this.$router.push('/')
          } finally {
            this.loading = false // 停止
          }
        }
      })
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#283443;
$light_gray:#68b0fe;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.7);
    border-radius: 5px;
    color: #454545;
  }

  .el-form-item__error {
    color: #fff;
  }
}
</style>

<style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#68b0fe;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;
  background: url('~@/assets/login.jpg');
  background-position: center;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .loginBtn {
    background: #407ffe;
    height: 64px;
    line-height: 32px;
    font-size: 24px;
    width:100%;
    margin-bottom:30px
  }
}
</style>
